Home / 118,698.12-163,805.46-64,982.28

Finding the Fourth Proportional to 118,698.12, 163,805.46 and 64,982.28

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Solution

The fourth proportional to 118,698.12, 163,805.46 and 64,982.28 is: 89,676.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,698.12 : 163,805.46 = 64,982.28 : x
  2. Step 2: Convert to fraction form
    118,698.12/163,805.46 = 64,982.28/x
  3. Step 3: Cross multiply
    118,698.12x = 163,805.46 × 64,982.28
  4. Step 4: Simplify right side
    118,698.12x = 10,644,452,267.25
  5. Step 5: Solve for x
    x = 10,644,452,267.25/118,698.12
  6. Step 6: Final answer
    x = 89,676.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.